sharex/y, legend placement, (QT)

simple_plotter.py

@@ -3,10 +3,12 @@
 
 import sys
 import matplotlib
-import matplotlib.pyplot as plt
 
 from cnl_library import CNLParser, calc_ema
 
+## matplotlib.use('QT4Agg')  # override matplotlibrc
+import matplotlib.pyplot as plt
+
 
 def append_twice(base_list, extend_list):
     if ( isinstance(extend_list, list) ):
@@ -68,9 +70,10 @@ def plot_net(ax, x_values, cols, active_cols):
 
     for col_name in active_cols:
         ax.plot(x_values , cols[col_name], label=col_name)
-        ax.plot(x_values , calc_ema(cols[col_name], 0.2), label=col_name+" (ema)")
+        #ax.plot(x_values , calc_ema(cols[col_name], 0.2), label=col_name+" (ema)")
 
-    ax.legend()
+    #ax.legend(loc=0)
+    ax.legend(loc=8)
 
 
 def plot_cpu(ax, x_values, cols, active_cols):
@@ -81,7 +84,8 @@ def plot_cpu(ax, x_values, cols, active_cols):
         ax.plot(x_values , cols[col_name], label=col_name)
         #ax2.plot(x_values , calc_ema(cols[col_name], 0.2), label=col_name+" (ema)")
 
-    ax.legend()
+    #ax.legend(loc=0)
+    ax.legend(loc=1)
 
 
 
@@ -95,7 +99,8 @@ if __name__ == "__main__":
     fig = plt.figure()
     fig.canvas.set_window_title('CPUnetPlot')
 
-
+    old_ax_net = None
+    old_ax_cpu = None
     for i in range(1, num_files+1):
         ## Read file
         filename = sys.argv[i]
@@ -110,8 +115,8 @@ if __name__ == "__main__":
 
 
         ## Prepare subplots
-        ax_net = fig.add_subplot(2, num_files, i)
-        ax_cpu = fig.add_subplot(2, num_files, i+num_files, sharex=ax_net)
+        ax_net = fig.add_subplot(2, num_files, i, sharex=old_ax_net, sharey=old_ax_net)
+        ax_cpu = fig.add_subplot(2, num_files, i+num_files, sharex=ax_net, sharey=old_ax_cpu)
         #ax_net = fig.add_subplot(111)  ## twin
         #ax_cpu = ax_net.twinx()      ## twin
 
@@ -119,4 +124,17 @@ if __name__ == "__main__":
         plot_net(ax_net, cnl_file.x_values, cnl_file.cols, cnl_file.net_col_names)
         plot_cpu(ax_cpu, cnl_file.x_values, cnl_file.cols, cnl_file.cpu_col_names )
 
+        old_ax_net = ax_net
+        old_ax_cpu = ax_cpu
+
+
+    ## maximiza window
+    if ( num_files > 1 ):
+        try:
+            figManager = plt.get_current_fig_manager()
+            figManager.window.showMaximized()
+        except:
+            pass
+
+    # show plot
     plt.show()